Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Yoff, Senegal, greets September with an average high-temperature of a still moderately hot 28.2°C (82.8°F), marking a slight deviation from the preceding month. September registers an average low temperature of 26.8°C (80.2°F), subtly lower than the daytime maximum.Heat index
September's average heat index is estimated at a tropical 33°C (91.4°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the most rainfall. Rain falls for 13.3 days and accumulates 88mm (3.46") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 06:57 and sunset at 19:21. On the last day of the month, sunrise is at 06:59 and sunset at 18:59 GMT.
Sunshine
In Yoff, Senegal, the average sunshine in September is 8.6h.UV index
June through November, with an average maximum UV index of 7, are months with the highest UV index in Yoff. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Yoff in September?
What is the average humidity in September in Yoff?
What is the wettest month?
How much does it rain in September?
How many hours of daylight does Yoff have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Yoff have in September?
When is the highest UV index?
What is the UV index reading in September?
Average temperature in September
Yoff, Senegal
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is October (29°C).
The month with the lowest average high temperature is April (22.2°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is October (27.5°C).
The coldest month (with the lowest average low temperature) is March (20.2°C).
Average pressure in September
Yoff, Senegal
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The month with the lowest atmospheric pressure is October (1011.3mbar).
Average wind speed in September
Yoff, Senegal
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is February (27.2km/h).
The calmest month (with the lowest average wind speed) is September (15.2km/h).
Average humidity in September
Yoff, Senegal
- Average humidity in September: 81%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January and December (59%).
Average rainfall in September
Yoff, Senegal
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is September (88mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Yoff, Senegal
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The months with the least rainy days are February and March (0.3 days).
Average daylight in September /
Average sunshine in September
Yoff, Senegal
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 42min).
Average sunshine days in September
Yoff, Senegal
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is March (30.6 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Yoff, Senegal
- Average UV index in September: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in September
Yoff, Senegal
- Average cloud cover in September: 32
The month with the most cloud cover is August (Cloud cover 43).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Yoff, Senegal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
